n=int(input())
l=list(map(int,input().split()))
l.sort()
count=0
for i in range(n):
  for j in range(i+1,n):
    for k in range(j+1,n):
      if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1
print(count) n=int(input()) n int(input()) int input() input l=list(map(int,input().split())) l list(map(int,input().split())) list map(int,input().split()) map int input().split() ().split () input split l.sort() l.sort l sort count=0 count 0 for i in range(n):
  for j in range(i+1,n):
    for k in range(j+1,n):
      if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1 i range(n) range n for j in range(i+1,n):
    for k in range(j+1,n):
      if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1 j range(i+1,n) range i+1 i 1 n for k in range(j+1,n):
      if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1 k range(j+1,n) range j+1 j 1 n if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1 l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k] l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] l[i]+l[j]>l[k] and l[i]!=l[j] l[i]+l[j]>l[k] l[i]+l[j] l[i] l i l[j] l j l[k] l k l[i]!=l[j] l[i] l i l[j] l j l[j]!=l[k] l[j] l j l[k] l k l[i]!=l[k] l[i] l i l[k] l k count+=1 count 1 print(count) print count count+=1 1 count n=int(input()) int(input()) n l=list(map(int,input().split())) list(map(int,input().split())) l count=0 0 count
n=int(input())
l=list(map(int,input().split()))
l.sort()
count=0
for i in range(n):
  for j in range(i+1,n):
    for k in range(j+1,n):
      if l[i]+l[j]>l[k] and l[i]!=l[j] and l[j]!=l[k] and l[i]!=l[k]:
        count+=1
print(count)
